Product Description
ADVANCE MARINE GEARBOX 300 Z300
ZheJiang STONE DIESEL ENGINE Co., Ltd CAN SUPPLY MARINE GEARBOX 300 Z300 MARINE GEARBOX.
| Z300 MARINE GEARBOX MAX.670KW at 2300RPM | |||||||||||||||
| Engine Speed:750~2300RPM | |||||||||||||||
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| L*W*H:786*930*864mm Bell housing:SAE 0, 1 |
Net Weight:740Kg Flange:SAE 18,16,14 |
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| Options/Comments:Mechanical or Electrical remote control Centre distance:264mm Engine:KTA19-M600;TBD234V12… |
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MARINE GEARBOX 06
MARINE GEARBOX 16A
MARINE GEARBOX 26
MARINE GEARBOX MA100
MARINE GEARBOX MA125A
MARINE GEARBOX MA142A
MARINE GEARBOX 40A
MARINE GEARBOX MB170
MARINE GEARBOX HC571
MARINE GEARBOX HC038A
MARINE GEARBOX HC65
MARINE GEARBOX 120B
MARINE GEARBOX 120C
MARINE GEARBOX MV100A
MARINE GEARBOX 135A
MARINE GEARBOX MB242
MARINE GEARBOX HCQ138
MARINE GEARBOX HC138
MARINE GEARBOX HCD138
MARINE GEARBOX HCA138
MARINE GEARBOX HC200
MARINE GEARBOX HCC200
MARINE GEARBOX HC201
MARINE GEARBOX MB270A
MARINE GEARBOX HCQ300
MARINE GEARBOX Z300
MARINE GEARBOX J300
MARINE GEARBOX D300A
MARINE GEARBOX T300
MARINE GEARBOX T300/1
MARINE GEARBOX HCA300
MARINE GEARBOX M300
MARINE GEARBOX MD300
MARINE GEARBOX HCQ401
MARINE GEARBOX HC400
MARINE GEARBOX HCD400A
MARINE GEARBOX HCT400A
MARINE GEARBOX HCT400/1
MARINE GEARBOX HCQ501
MARINE GEARBOX HCQ502
MARINE GEARBOX HC600A
MARINE GEARBOX HCD600A
MARINE GEARBOX HCT600A
MARINE GEARBOX HCT600A/1
MARINE GEARBOX HC701
MARINE GEARBOX HCQ700
MARINE GEARBOX HCD800
MARINE GEARBOX HCT800
MARINE GEARBOX HCT800/1
MARINE GEARBOX HCT800/2
MARINE GEARBOX HCT800/3
MARINE GEARBOX HCW800
MARINE GEARBOX HC900
MARINE GEARBOX HC1000
MARINE GEARBOX HCD1000
MARINE GEARBOX HCQ1000
MARINE GEARBOX HCT1100
MARINE GEARBOX HCW1100
MARINE GEARBOX HC1200
MARINE GEARBOX HC1200/1
MARINE GEARBOX HCT1200
MARINE GEARBOX HC1250
MARINE GEARBOX HCQ1400
MARINE GEARBOX HCD1400
MARINE GEARBOX HCT1400
MARINE GEARBOX HCD2000
MARINE GEARBOX HCT2000
MARINE GEARBOX HCD2700
| MODEL | MAX Capacity | speed | ratio | weight |
| 06 | 12HP | 1000~2000RPM | 2.52/ 3.05/ 3.5 | 58KG |
| 16A | 32HP | 1000~2000RPM | 2.07/ 2.48/ 2.95/ 3.35/ 3.83 | 84KG |
| 26 | 67HP | 1000~2500RPM | 2.5/ 3/ 3.5/ 4 | 92KG |
| MA100 | 37HP | 1500~3000RPM | 1.6/ 2/ 2.55/ 3.11/ 3.59/ 3.83 | 75KG |
| MA125A | 82HP | 1500~3000RPM | 2.03/ 2.46/ 3.04/ 3.57/ 4.05 | 115KG |
| MA142A | 102HP | 1500~3000RPM | 1.97/ 2.52/ 3.03/ 3.54/ 3.95/ 4.5 | 140Kg |
| 40A | 82HP | 750~2000RPM | 2.07/ 2.96/ 3.44 | 225KG |
| MB170 | 132HP | 1000~2500RPM | 1.97/ 2.52/ 3.04/ 3.54/ 3.96/ 4.5/ 5.06/ 5.47/ 5.88 | 240KG |
| HC571 | 80HP | 1500~3200RPM | 1.50/ 1.96/ 2.48/ 3.00/ 3.48 | 70KG |
| HC038A | 121HP | 1500~3200RPM | 1.51/ 2.03/ 2.52/ 2.92/ 3.45 | 70KG |
| HC65 | 183HP | 1000~2500RPM | 1.53/ 2.03/ 2.50/ 2.96/ 3.50 | 130KG |
| 120B | 215HP | 750~1800RPM | 2.03/ 2.81/ 3.73 | 400KG |
| 120C | 340HP | 1000~2500RPM | 1.48/ 1.94/ 2.45/ 2.96/ 3.35 | 225KG |
| MV100A | 408HP | 1500~3000RPM | 1.23/ 1.28/ 1.62/ 2.07/ 2.52/ 2.87 | 220KG |
| 135A | 272HP | 1000~2000RPM | 2.03/ 2.59/ 3.04/ 3.62/ 4.11/ 4.65/ 5.06/ 5.47/ 5.81 | 470KG |
| MB242 | 350HP | 1000~2500RPM | 3.04/ 3.52/ 3.95/ 4.53/ 5.12/ 5.56/ 5.88 | 385KG |
| HCQ138 | 390HP | 1000~2600RPM | 1.03/ 1.28/ 1.5/ 2.03/ 2.48/ 2.95 | 200KG |
| HC138 | 374HP | 1000~2500RPM | 2.0/ 2.52/ 3.0/ 3.57/ 4.05/ 4.45 | 360KG |
| HCD138 | 374HP | 1000~2500RPM | 5.05 / 5.63/ 6.06/ 6.47 | 415KG |
| HCA138 | 390HP | 1000~2600RPM | 1.095/ 1.28/ 1.50/ 2.03/ 2.48/ 3.0 | 385KG |
| HC200 | 440HP | 1000~2200RPM | 1.48/ 2.00/ 2.28 | 280KG |
| HCC200 | 500HP | 1000~2500RPM1.034/ 1.451/ 1.997/ 2.422/ 2.935 | 400KG | |
| HC201 | 500HP | 1000~2500RPM | 2.46/ 2.955/ 3.526 | 350KG |
| MB270A | 500HP | 1000~2500RPM | 4.05/ 4.53/ 5.12/ 5.5/ 5.59/ 6.39/ 6.82 | 675KG |
| HCQ300 | 782HP | 1000~2300RPM | 1.06/ 1.46/ 2.05/ 2.38 | 350KG |
| Z300 | 910HP | 750~2300RPM | 1.87/ 2.04/ 2.54/ 3/ 3.53/ 4.10/ 4.47/ 4.61/ 4.94/ 5.44 | 740KG |
| J300 | 875HP | 750~2300RPM | 2.04/ 2.54/ 3.0/ 3.47/ 3.95 | 740KG |
| D300A | 805HP | 1000~2300RPM | 4/ 4.48/ 5.05/ 5.52/ 5.9/ 6.56/ 7.06/ 7.63 | 880KG |
| T300 | 759HP | 1000~2300RPM | 4.95/ 6.03/ 6.65/ 7.04/ 7.54/ 8.02/ 8.47 | 1120KG |
| T300/1 | 611HP | 1000~2300RPM | 8.94/ 9.45 | 1120KG |
| HCA300 | 850HP | 1000~2500RPM | 1.50/ 2.00/ 2.57/ 2.95 | 370KG |
| M300 | 805HP | 1000~2300RPM | 1.45/ 2.00/ 2.52/ 3.05/ 3.45/ 3.94 | 700KG |
| MD300 | 805HP | 1000~2300RPM | 3.96/ 4.48/ 4.96/ 5.52/ 5.9 | 940KG |
| HCQ401 | 1035HP | 1500~2300RPM | 1.00/ 1.12/ 1.25/ 1.50/ 1.76/ 2.04/ 2.50 | 480KG |
| HC400 | 810HP | 1000~1800RPM | 1.50/ 1.77/ 2.04/ 2.50/ 2.86/ 3.0/ 3.42/ 4.06/ 4.61/ / 4.94 | 820KG |
| HCD400A | 810HP | 1000~1800RPM | 3.96/ 4.33/ 4.43/ 4.70/ 5.00/ 5.53/ 5.89 | 1100KG |
| HCT400A | 945HP | 1000~2100RPM | 6.09/ 6.49/ 6.93/ 7.42/ 7.95/ 8.4/ 9/ 9.47 | 1100KG |
| HCT400/1 | 945HP | 1000~2100RPM | 8.15/ 8.69/ 9.27/ 9.94/ 10.6/ 11.46/ 12 | 1500KG |
| HCQ501 | 1265HP | 1000~2300RPM | 1.03/ 1.46/ 2/ 2.45 | 560KG |
| HCQ502 | 1265HP | 1000~2300RPM | 2.95 | 700KG |
| HC600A | 1365HP | 1000~2100RPM | 2/ 2.48/ 3/ 3.58/ 3.89 | 1300KG |
| HCD600A | 1365HP | 1000~2100RPM | 4.18/ 4.43/ 4.7/ 5/ 5.44/ 5.71 | 1550KG |
| HCT600A | 1260HP | 1000~2100RPM | 6.06/ 6.49/ 6.97/ 7.51/ 8.04/ 8.66/ 9.35 | 1600KG |
| HCT600A/1 | 1260HP | 1000~2100RPM | 7.69/ 8.23/ 8.82/ 9.47/ 10.8/ 11.65/ 12.57 | 1700KG |
| HC701 | 1285HP | 1200~2400RPM | 1.93/ 2.58/ 2.90/ 3.26/ 3.01/ 4.60/ 5.17/ 6.18/ 7.00/ 7.47 | 2000KG |
| HCQ700 | 1875HP | 1000~2500RPM | 1.5~2.5/ 2.78/ 2.96 | 900KG |
| HCD800 | 1530HP | 1000~1800RPM | 3.427/ 3.96/ 4.391/ 4.905/ 5.474/ 5.889 | 2200KG |
| HCT800 | 1530HP | 800~1800RPM | 4.95/ 5.57/ 5.68/ 5.93/ 6.43/ 6.86/ 7.33/ 7.84/ 8.4 | 2700KG |
| HCT800/1 | 1530HP | 800~1800RPM | 6.91/ 7.28/ 7.69/ 8.12/ 8.6/ 9.12/ 9.68/ 10.3/ 10.98/ 11.76/ 12.43/ 13.17/ 13.97/ 14.85/ 15.82/ 16.58/ 20.1 | 32000KG |
| HCT800/2 | 1668HP | 1000~1800RPM | 13.118/ 13.811/ 14.545/ 15.326/ / 16.157/ 17.044/ 17.991/ 20.267/ 22.176 | 4000KG |
| HCT800/3 | 1460HP | 1000~1800RPM | 16.56/ 17.95/ 20.2 | 4200KG |
| HCW800 | 1886HP | 1500~1900RPM | 12.584/ 13.244/ 13.945/ 14.68/ 15.46/15.915/ 16.285/ 17.16/ 17.696/ 18.267/ 19.078/ 19.714/ 20.13 | 3800KG |
| HC900 | 1436HP | 1000~1800RPM | 1.46/ 2.04/ 2.47/ 3/ 3.6/ 4.08/ 4.63/ 4.95 | 1600KG |
| HC1000 | 1898HP | 600~1900RPM | 2/ 2.5/ 3.04/ 3.48/ 4.06 | 1800KG |
| HCD1000 | 1898HP | 600~1900RPM | 3.429/ 3.96/ 4.391/ 4.45/ 4.905/ 5.06/ 5.474/ 5.833 | 1900KG |
| HCQ1000 | 2300HP | 600~2300RPM | 1.176~2.842/ 3.1 | 1100KG |
| HCT1100 | 1841HP | 700~1600RPM | 5.6/ 5.98/ 6.39/ 6.85/ 7.35/ 7.9 | 3000 |
| HCW1100 | 2280HP | 1500~1800RPM | 15.882/ 16.546/ 17.243/ 17.973/ 18.740/ 19.547/ 20.395 | 6000KG |
| HC1200 | 2276HP | 700~1800RPM | 2.03/ 2.476/ 2.5/ 2.96/ 3.55/ 3.79/ 4.05/ 4.2/ 4.47 | 1840 |
| HC1200/1 | 2276HP | 700~1800RPM | 3.74/ 3.95/ 4.45/ 5/ 5.25/ 5.58 | 2500 |
| HCT1200 | 2571HP | 1000~1600RPM | 5.05/ 5.60/ 5.98/ 6.39/ 6.85/ 7.35/ 7.9 | 3000 |
| HC1250 | 1654HP | 400~1800RPM | 2.03/ 2.48/ 3.04/ 3.48/ 3.95 | 2200KG |
| HCQ1400 | 2940HP | 1000~2100RPM | 1.517/ 2.00/ 2.476/ 3.0 | 1430KG |
| HCD1400 | 2520HP | 600~1800RPM | 4.04/ 4.27/ 4.52/ 4.8/ 5.045/ 5.5 | 2800KG |
| HCT1400 | 2521HP | 600~1800RPM | 5.031/ 5.524/ 5.966/ 6.485/ 7.031/ 7.497/ 8.571/ 8.465/ 8.593/ 8.984/ 9.118/ 9.552 | 3700 |
| HCD2000 | 3571HP | 600~1500RPM | 3/ 3.577/ 3.958/ 4.455/ 4.95/ 5.263/ 5.429/ 5.75/ 6.053 | 4000KG |
| HCT2000 | 3019HP | 500~1500RPM | 4700KG | |
| HCD2700 | 3903HP | 500~1400RPM | 3.65/ 4.042/ 4.5/ 5.05/ 5.467/ 6.105/ | 6000KG |
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HC138 MARINE GEARBOX MAX.275KW at 2500RPM |
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Engine Speed:1000~2500RPM |
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L*W*H:520*792*760mm |
Net Weight:360Kg |
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Options/Comments:PTO device available;Mechanical remote operation |
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300 MARINE GEARBOX MAX.670KW at 2300RPM |
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Engine Speed:750~2300RPM |
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L*W*H:786*930*864mm |
Net Weight:740Kg |
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Options/Comments:Mechanical or Electrical remote control |
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| Application: | Marine |
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| Layout: | Coaxial |
| Hardness: | Soft Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Single-Step |
| Type: | Worm Gear Box |

How to Install and Align a Worm Reducer Properly
Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:
- Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
- Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
- Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
- Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
- Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
- Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
- Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
- Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
- Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.
It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

Worm Gearbox vs. Helical Gearbox: A Comparison
Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:
| Aspect | Worm Gearbox | Helical Gearbox |
| Efficiency | Lower efficiency due to sliding friction between the worm and worm wheel. | Higher efficiency due to rolling contact between helical gear teeth. |
| Torque Transmission | Excellent torque transmission and high reduction ratios achievable in a single stage. | Good torque transmission, but may require multiple stages for high reduction ratios. |
| Noise and Vibration | Generally higher noise and vibration levels due to sliding action. | Lower noise and vibration levels due to smoother rolling contact. |
| Backlash | Higher inherent backlash due to the design. | Lower backlash due to meshing of helical teeth. |
| Efficiency at Higher Speeds | Less suitable for high-speed applications due to efficiency loss. | More suitable for high-speed applications due to higher efficiency. |
| Overload Protection | Natural self-locking feature provides some overload protection. | May not have the same level of inherent overload protection. |
| Applications | Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. | Widely used in various applications including automotive transmissions, industrial machinery, and more. |
Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

Types of Worm Gear Configurations and Their Uses
Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:
- Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
- Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
- Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
- Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
- Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
- Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.
Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.


editor by CX 2023-10-16